[seafoam68]

My experience was that factory big block mounts are very pricey. What I did was to use the mounts from the 80's model big block donor truck. These are basically just a straight piece of metal on an angle from top of frame to top of crossmember. I believe 3 of the 4 holes even lined up. I used Sanderson shorty headers and there is all kinds of room. What I have found by building on a budget is don't be afraid to modify a little and think up ways of doing things. Just make sure to keep it safe. Good luck.